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Debt - Schedule of Maturities of Long-term Debt (Detail) (USD $)
In Thousands, unless otherwise specified |
Aug. 31, 2012
|
|---|---|
| Debt Disclosure [Abstract] | |
| 2013 | $ 458 |
| 2014 | 233 |
| 2015 | 1,087 |
| 2016 | 38 |
| 2017 | 82,646 |
| Long-term Debt, Total | $ 84,462 |